\[{{r}^{th}}\]term in the expansion of \[{{(a+2x)}^{n}}\]is

1.	\[{{r}^{th}}\]term in the expansion of \[{{(a+2x)}^{n}}\]is
A.	\[\frac{n(n+1)....(n-r+1)}{r!}{{a}^{n-r+1}}{{(2x)}^{r}}\]
B.	\[\frac{n(n-1)....(n-r+2)}{(r-1)\,!}{{a}^{n-r+1}}{{(2x)}^{r-1}}\]
C.	\[\frac{n(n+1)....(n-r)}{(r+1)!}{{a}^{n-r}}{{(x)}^{r}}\]
D.	None of these
Answer» C. \[\frac{n(n+1)....(n-r)}{(r+1)!}{{a}^{n-r}}{{(x)}^{r}}\]

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\[{{r}^{th}}\]term in the expansion of \[{{(a+2x)}^{n}}\]is

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